AT1202X

AT1202 AIMTRON | Alldatasheet

Document overview

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Technical content

Features

• ±2% Output Accuracy
• 12µA Quiescent Current
• Shutdown Current <1µA
• High Output V oltage: Up to 28V
• 30mA Output Current
• Tiny SOT-25 Package

Applications

• Microcontroller Power
• Notebook Computers
• Battery Operating system General Description The AT1202 is high voltage, micropower linear regulator. Key feature include wide input voltage, low-noise, low-dropout and low-quiescent-current. The output voltage precision is within ±2﹪and output currents of up to 30mA. Block Diagram Aimtron reserves the right without notice to change this circuitry and specifications.

Preliminary Product Information High Voltage Linear Regulator Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/8/2006 REV:1.1 Email: service@aimtron.com.tw Pin Assignment

Ordering Information

Part number Package Marking AT1202X SOT-25 Date Code AT1202X_GRE SOT-25, Green ,Date Code with one bottom line : Date Code *For more marking information, contact our sales representative directly Pin Description Pin No. Symbol I/O Description

1 VIN P Power Supply

2 GND P Ground

3 OUT O Regulator Output

4 FB I Feedback Input

5 /SHDN I Shutdown input, active low. Absolute Maximum Ratings Item Symbol Ratings Units Storage temperature T STG -55〜＋150 ℃ Operating temperature T OPR -30〜＋85 ℃ VIN -0.3〜+30 V /SHDN,FB -0.3〜＋(VIN+0.3) V OUT -0.3V〜+30 V Power consumption Pd *1 570 mW *1. Continuous Power Dissipation derate 7.1mW/℃ above +70 ℃

Preliminary Product Information High Voltage Linear Regulator Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/8/2006 REV:1.1 Email: service@aimtron.com.tw

Electrical Characteristics

(V IN=15V , /SHDN = V IN, I LOAD=5µA, Ta=T MIN to T MAX ,unless otherwise note. Typical Ta =25 0C) Values Parameter Symbol Condition Min. Typ. Max. Unit Input V oltage V IN 4 - 28 V /SHDN=VIN, Ta =250C - 12 15 μA Supply Current I IN /SHDN=VIN,VIN=6~28V , Ta=TMIN to TMAX - - 20 μA /SHDN=GND, Ta =250C - - 3 μA Shutdown Supply Current I IN1 /SHDN=GND, Ta=TMIN to TMAX - - 5 μA FB=OUT, Ta =250C VIN=6V to 28V ,ILOAD=1mA 1.215 1.240 1.265 V Feedback Reference V FB FB=OUT, VIN=6V to 28V , Ta=TMIN to TMAX ILOAD=5μA to 30mA 1.18 - 1.28 V Feedback Input Current I FB V FB =1.3V -10 12 30 nA Dropout V oltage ∆VDO ILOAD=30mA - - 350 mV Output Current Limit V IN=6 - 100 - mA OUT Reverse Leakage Current VIN=unconnected, OUT set to 5V - 80 - μA Capacitive Load Requirement 0.33 - - μF/mA Start-Up Time Response RL =500Ω,OUT set to 5V COUT =10μF - - 2 ms Start-Up overshoot RL =500Ω,COUT =10μF OUT set to 5V with 90% output - 0.5 - %OUT /SHDN Input Current I /SHDN /SHDN=0 or 15V -1 - 1 μA /SHDN Input Level VIH VIL 1.4 0.25 V V

Preliminary Product Information High Voltage Linear Regulator Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/8/2006 REV:1.1 Email: service@aimtron.com.tw Typical Application Circuit Fig1. AT1202 Typical Application Circuit Fig2. Negatve Power supply

Preliminary Product Information High Voltage Linear Regulator Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/8/2006 REV:1.1 Email: service@aimtron.com.tw Typical Characteristics (C OUT=10µF) Fig1a. VOUT=5V Start-Up Response (CH1:/SHDN CH2:V OUT/30mA VIN=10V) Fig 2a. VOUT=15V Start-Up Response (CH1:/SHDN CH2:VOUT/30mA VIN=20V) Fig1b. VOUT=5V Transient (CH1:VOUT C H 2 : IOUT ) Fig2b. VOUT=15V Transient (CH1:VOUT C H 2 : IOUT )

Preliminary Product Information High Voltage Linear Regulator Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/8/2006 REV:1.1 Email: service@aimtron.com.tw Small Outline SOT-25 INCHES MILLIMETERS SYMBOL MIN MAX MIN MAX NOTES A 0.035 0.057 0.90 1.45 - A1 0.000 0.006 0.00 0.15 - A2 0.035 0.051 0.90 1.30 - b 0.010 0.020 0.25 0.50 - C 0.003 0.008 0.08 0.20 - D 0.110 0.122 2.80 3.10 - E 0.102 0.118 2.60 3.00 - E1 0.059 0.069 1.50 1.75 - L 0.014 0.022 0.35 0.55 e 0.037ref 0.95ref e1 0.075ref 1.90ref r 00 100 00 100 -

Preliminary Product Information High Voltage Linear Regulator Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/8/2006 REV:1.1 Email: service@aimtron.com.tw Reflow Profiles Sn-Pb Eutectic Assembly Pb-Free Assembly Profile Feature Large Body Pkg. thickness ≥2.5mm or Pkg. volume ≥350mm3 Small Body Pkg. thickness <2.5mm or Pkg. volume <350mm3 Large Body Pkg. thickness ≥2.5mm or Pkg. volume ≥350mm3 Small Body Pkg. thickness ≥2.5mm or Pkg. volume ≥350mm3 Average ramp-up rate (TL to TP) 3°C/second max. 3 °C/second max. Preheat -Temperature Min(Tsmin) -Temperature Max (Tsmax) -Time (min to max)(ts) 100°C 150°C 60-120 seconds 150°C 200°C 60-180 seconds Tsmax to TL -Ramp-up Rate 3°C/second max. Time maintained above: -Temperature (TL) -Time (t L) 183°C 60-150 seconds 217°C 60-150 seconds Peak Temperature(TP) 225+0/-5°C 240+0/-5 °C 245+0/-5 °C 250+0/-5 °C Time within 5 °C of actual Peak Temperature (tP) 10-30 seconds 10-30 seconds 10-30 seconds 20-40 seconds Ramp-down Rate 6°C/second max. 3 °C/second max. Time 25 °C to Peak Temperature 6 minutes max. 8 minutes max. *All temperatures refer to topside of the package, measured on the package body surface.